Color Directory/Firebrick

Firebrick (#B22222)

Luminance: 11% · Nearest standard name: Firebrick

FIREBRICK
#B22222
rgb(178, 34, 34) · hsl(0°, 68%, 42%)
HEX#B22222
RGB178, 34, 34
HSL0°, 68%, 42%
HSV / HSB0°, 81%, 70%
CMYK (Print)0%, 81%, 81%, 30%

Color Harmonies

Complementary

#B22222#22B4B4

Analogous

#B4226B#B22222#B46B22

Triadic

#B22222#22B422#2222B4

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)6.68:1

Sample text rendered with #B22222 on white

AA Normal: PASSAA Large: PASS
Against Dark (#0F172A)2.67:1

Sample text rendered with #B22222 on dark

AA Normal: FAILAA Large: FAIL
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Firebrick (#B22222)

Firebrick (#B22222) is a distinct shade within the Rose & Red chromatic spectrum. Characterized by an optical luminance of 11% and a warm color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#B22222
RGB Space178, 34, 34
HSL Values0°, 68%, 42%
HSV / HSB0°, 81%, 70%
CMYK Ink0%, 81%, 81%, 30%
TemperatureWarm

Optical Color Harmony Formulas for Firebrick

Geometric intervals calculated from #B22222 on the 360-degree color wheel.

Direct Polar (180°)#22B4B4

Complementary Harmony

Pairs Firebrick with its polar opposite (#22B4B4) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#B4226B · #B46B22

Analogous Harmony

Positions adjacent neighboring hues on either side of Firebrick for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#22B46B · #226BB4

Split-Complementary

Uses the two colors flanking the direct complement of Firebrick, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#22B422 · #2222B4

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#6BB422 · #22B4B4 · #6B22B4

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Firebrick

Lock #B22222 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Firebrick

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 68% and lightness of 42%, Firebrick (#B22222) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationDesaturate slightly for ambient glow

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Radiates high energy, urgency, passionate emotion, and dramatic visual power. Commands immediate human attention.

Optimal Industry Verticals

E-Commerce Flash Sales, Fitness Apparel, Gaming HUDs, Food & Beverage. Combining Firebrick with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Firebrick

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-b22222: #B22222;
  --color-b22222-rgb: 178, 34, 34;
  --color-b22222-hsl: 0deg 68% 42%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        'b22222': '#B22222',
      }
    }
  }
};

Frequently Asked Questions About Firebrick (#B22222)

Authoritative answers covering Firebrick color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Firebrick (#B22222)?
Firebrick is defined by the HEX code #B22222. Its digital screen RGB coordinates are R:178, G:34, B:34. Its cylindrical HSL values are Hue:0°, Saturation:68%, Lightness:42%. In HSV/HSB format, it is 0°, 81%, 70%. For four-color CMYK process printing, its ink percentages are C:0%, M:81%, Y:81%, K:30%.
Does Firebrick (#B22222) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Firebrick achieves a contrast ratio of 6.68:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 2.67:1 (Failing WCAG AA).
What is the direct complementary color for Firebrick (#B22222)?
The exact 180-degree optical complementary color for #B22222 is #22B4B4. When placed side-by-side, #B22222 and #22B4B4 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Firebrick in the 60-30-10 UI design rule?
With a saturation of 68% and lightness of 42%, Firebrick (#B22222) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.
How can I copy and export Firebrick into Tailwind CSS and CSS variables?
You can define Firebrick in CSS custom properties as ':root { --color-custom: #B22222; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Firebrick using our interactive Color Palette Generator.
Which color family does Firebrick (#B22222) belong to?
Firebrick belongs to the Rose & Red family (Warm spectrum). You can explore full tonal ramps and curated palettes in our Rose & Red Color Guide.